APA引文

Ballard, J., Bryant, A., Stevens, D., & Tweten, R. K. (1992). Purification and characterization of the lethal toxin (alpha-toxin) of Clostridium septicum.

Citação norma Chicago

Ballard, J., A. Bryant, D. Stevens, and R K. Tweten. Purification and Characterization of the Lethal Toxin (alpha-toxin) of Clostridium Septicum. 1992.

MLA引文

Ballard, J., A. Bryant, D. Stevens, and R K. Tweten. Purification and Characterization of the Lethal Toxin (alpha-toxin) of Clostridium Septicum. 1992.

警告：這些引文格式不一定是100％准確.